[users at httpd] webservers not responding properly after hardware change

Carsten Strotmann cas at strotmann.de
Fri Jun 14 18:05:19 UTC 2013


Hello Norman,

Norman Fournier <norman at normanfournier.com> writes:

>
> I posted this to httpd.apache.org but have not had any response, so I
> think it may be more related to BIND than DNS. Apologies for the
> cross-post.

the information you give is not enough to debug the problem or even to
have a sense if it is a DNS problem.

The network diagram shows UDP 53/53 for the DNS server. DNS can use both 
UDP and TCP, so the connection towards and from the DNS server should
allow both UDP and TCP connections.

Can you share the domain names for the web-sites with us? That might
help to isolate the cause of the issue, or at least to rule out DNS as
the cause.

Best regards

Carsten


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